test/Preprocessor/print_line_count.c - clang - Git at Google

 /* RUN: %clang -E -C -P %s | FileCheck --strict-whitespace %s
    PR2741
    comment */
 y
 // CHECK: {{^}}   comment */{{$}}
 // CHECK-NEXT: {{^}}y{{$}}
	/* RUN: %clang -E -C -P %s \| FileCheck --strict-whitespace %s
	PR2741
	comment */
	y
	// CHECK: {{^}} comment */{{$}}
	// CHECK-NEXT: {{^}}y{{$}}